Infineon Technologies Ag

Heinz Endriss

Timo Gossmann

Karel Sotek

Christine Born

S&ouml;nke Mehrgardt

S&ouml;hnke Mehrgardt

The communications system operates at two distinct operating modes. Each of the slave stations, which are controlled by a master station, has a first output circuit and a second output circuit. The two output circuits are connected to one another on the output side. In a first operating mode, the slave stations are identified by the master station, all the first output circuits can be activated and the system operates at a low clock rate. In a second operating mode, a transfer of data takes place, one of the second output circuits can be activated, and the system operates at a higher clock rate.

Slave station with two output circuits commonly and directly connected to a line for serially transmitting data to a master station in two operational modes

The operation of any desired number of initially unidentified slave stations in a communications system is possible. An identification procedure with a subsequent address assignment is carried out by a master station M, in that all the slave stations simultaneously output bit by bit, via open-drain output circuits OC, individual identification codes ID which are stored in them.

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Stockdorf, Germany

Heinz Endriss